Open Source Astronomy Tools
A simple Clifford algebra calculator
NMR Product Operator Calculator
Lightweight Qt-based Python console with variable explorer and history
A simple GUI Gravitational Pull Calculator
Calculate some attributes of an AC engine
a browser based ballistics calculator for arrows and bullets
Open Source Ballistic Calculator in C#
Calculator that takes care of measurement units.
Cool-down time calculator for multi-layers pipe
3-DPhysicsSim is an interactive 3-D physics simulator.
trafo is a console-based "E-I" transformer calculator
A compliation of Physics derived claculators